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City Rankings
35 Cities. 6 Regions. Every Company Verified.
Free Tools
Built for Bay Area Homeowners
Every Company Credential-Verified
We check four credentials for every company: CSLB contractor license, ISA Certified Arborist status, tree risk assessment qualification, and current insurance. Every listing shows what we’ve verified, what we haven’t, and when we last checked.
From the Blog
Practical Guides, Not Filler
Your Trees vs. the Next Atmospheric River
Which species fail first, what to inspect before the storm, and what your insurance actually covers.
5 Red Flags in a Tree Service Quote
What to watch for before you sign.
How Bay Area Heritage Trees Work
City-by-city: what’s protected, what triggers permits, what violations cost.
Every ranking, article, and tool on this site is authored or reviewed by me — a practicing ISA Certified Arborist. Companies are evaluated using a published, weighted rubric covering credentials, safety practices, reviews, and regulatory compliance. I accept no payment for rankings.
Free: Bay Area Tree Owner’s Checklist
City-by-city permit rules, hiring red flags, and emergency steps — one printable PDF.
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